Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/80-16 | 235/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.8 (782.4) | 28.95 (735.4) | -1.85 (-47) -6% |
| Width inches (mm) | 9.25 (235) | 9.25 (235) | 0 (0) 0% |
| Circum. inches (mm) | 96.77 (2457.98) | 90.96 (2310.33) | -5.81 (-147.65) -6% |
| Sidewall Height inches (mm) | 7.4 (188) | 6.48 (164.5) | -0.93 (-23.5) -12.5% |
| Revolutions per mile (km) | 654.74 (406.84) | 696.59 (432.84) | 41.85 (26) 6.4% |
235/70-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.8 mph (30.25 km/h) |
| 25 mph (40.23 km/h) | 23.5 mph (37.82 km/h) |
| 30 mph (48.28 km/h) | 28.2 mph (45.38 km/h) |
| 35 mph (56.33 km/h) | 32.9 mph (52.94 km/h) |
| 40 mph (64.37 km/h) | 37.6 mph (60.51 km/h) |
| 45 mph (72.42 km/h) | 42.3 mph (68.07 km/h) |
| 50 mph (80.47 km/h) | 47 mph (75.63 km/h) |
| 55 mph (88.51 km/h) | 51.7 mph (83.2 km/h) |
| 60 mph (96.56 km/h) | 56.4 mph (90.76 km/h) |
| 65 mph (104.61 km/h) | 61.1 mph (98.32 km/h) |
| 70 mph (112.65 km/h) | 65.79 mph (105.89 km/h) |
| 75 mph (120.7 km/h) | 70.49 mph (113.45 km/h) |
| 80 mph (128.75 km/h) | 75.19 mph (121.01 km/h) |
| 85 mph (136.79 km/h) | 79.89 mph (128.58 km/h) |
| 90 mph (144.84 km/h) | 84.59 mph (136.14 km/h) |
| 95 mph (152.89 km/h) | 89.29 mph (143.7 km/h) |
| 100 mph (160.93 km/h) | 93.99 mph (151.27 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1773 | 2059 | 2218 | 2316 | 2421 | 2497 | 2580 | 2678 | 2814 | 2949 | 3100 | 3221 | 3440 | 3681 | 3870 | 3990 | 4058 | 4307 | 4654 | 5409 |
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